Paper machinery



y my H. L. KUTTEW mm w EAPER MACHINERY Filed Aug. 29, 1925 v ZSheetS-Sheet l K T) U Q QIIIIJIIIy E3 3%., I 1, KUTTEW I I I ZWLII IH%% I PAPER 1110111111111 Filed Aug- 29, 1925 '2 Sheets-Sheet 2 I I I I I I I I II 'l I II I II I I l 1 I 1 I 1 1 1 I I 1 3/ I I 1 1 I I Z 7 1 1 I 1 I I 1 I I I I 1 I I I I l 111 i t I 1 I l 1 I 1 l I i 1 l I I l I I I I I l 1 1 1 1 1 l I 1 I 1 77 I I I I I l L511; l

'- adapted to impart a sh UNITED STATES PATENT OFFICE.

HERMAN L. xuzrrnn, or, rrmrmou, omo; ASSIGNOR or RANDALL, or cmormmrr, omo

PAPER MACHINERY.

Application filed mig t-as, 1925. semi No. 53,301;

This invention relatesto paper-making of the present machinery and more particula'rl making machiner of the Four rinier type in Which-a trave in endless forming wire is mounted upon a reast-roll at the front end of the machine" and the rear of-the machine, there being-intermediate the breast-roll and the suction roll a table roll frame and a suctionbox frame over which the forming wire is adapted to move. I

One of the principal objects of the invention is to provide a frame carrying tablerolls t hereon,.said frame being mounted independently of the-breast-roll and movable v out of alignment therewith'to permit ready removal of the forming wire..

Another object is to stationary frame for the table-rolls in association with a shakable breast-roll which is aking movement to the forward end of the formingwire.

' till another-object'is to provide a paper forming section with a, table-rollframe and a suction-box frame, both of which are bodily movable out of alignment with the forming wire to facilitate removal of the wire.

Other objects and advantages of the pres- I cut invention will be apparent from the following description when taken in connection with the accompanyin drawings in which; Fig. 1 is a side elegation of the brea stroll end of a forming section of the Four drinier type embodying the present 1nvention' I Fig. 2 is a continuation of'Fig. 1 showing the suction box end of the forming section; Fig.3 is an enlarged side elevational view of the breast-roll end of Fig. 1; and

Fig. 4 is a plan view of the suction-box frame shown in Fig. 2.

.In the drawings 20 designates an endless: forming wire which is mounted at its forward end on breast-roll 21 and at its rearward end upon suction roll 22, as is usual in paper-making machines of this type'. The wire, which is endless, is adapted to receive paper-making stock or pulp from the flow 100x23 through an orifice or inlet 24, -the height opening-of the inlet being adjuslable by mechanism 25 which, because it is of usual construction and forms no part to paperscribed in detaiL' The a suction roll at' provide a normally- 1 invention, need not be dewh1ch flows upon the wire 20'is 'carried by the wire in succession over the table rolls 2 6 the suction boxes 27 this movement arrow A in Figs. 1 and 2. The formed sheet of paper is removed from the wireat the end of the forming section by mechamsm notshown, and the forming wire is ."returned to the breast-roll as indicated by the arrows B in Figs. 1 and '2,- theformin paper-making stock I omarmr. T0 whmnn D.

of the forming wire being indicated by the wire passing underneath the suction-box frame and the table-roll frame,- suitable guide rolls being provided for the wire at 29,3and a wire tensioning' roll being provided at 0. I

Referring particularly to- Figs. 1.and 3, the breast-roll 21 is journaled in the block 33 having bearings at its opposite ends to receivethe shaft 34 of the breast-roll, The block 33 having anapron 35 formed at its upper end isguided for vertical -in breast-roll frame 36 in which it is carried, suitable adjusting. means being provided at37 for adjustingthe top of the apron 35 to the-same level as the top of the table rolls 26. The breast-roll frame 36 is' mounted upon uprights 38 which have pivoted or rocking connection with the breastroll frame36 at their upper ends, and with the floor bearings 39 at their lower ends, whereby the breast-roll frame 36 and breastroll 21 may be given a rocking or shaking movement in the direction of the longitudi- -m l axis of the breast-roll, that is, in-"a direction transverse to the movement "of the traveling wire 20. The construction of mechanism for transmitting shaking movement to the breast-ro art, but I prefer to use the form of support and shaking mechanism described and claimed in m co-pending application S.N. 682,684, fil December 26, 1923. rocking and shaking mechanism forms no part of the present invention and reference to said co-pending application is therefore 'deemeda sufiicient disclosure,

ll 21 is generally old in the The bearing for the breast-roll has a re- This movable section or cap 45 which may be v taken off to permit the removal of the breastroll from its bearings when it is desired to disassemble the apparatusor to temporarily doctor 481 The frame 50 together hereinafter more fully explained.

remove the breast-roll for the purpose of removing or replacing the forming wire. Each of the removable bearing; sections 45 carries a pivoted varm 46 having an, upwardly opening slot "to receive the pivot shaft 47 of the doctor 48. The arm 46 may be adjusted vertically to vary the position of the doctor 48 uponthe surface of the breast-roll 21. 1

The table rolls 26 arejournaled in any suitable manner'upon the table-roll frame 50, which also carries beneath the table rolls the save-ails 51 and-save-all-pans 52.' A. trough 53 is carried underneath the table rolls nearest to the breast roll, such trough being ofsuch length asto receive material removed from the breast roll 21by the'doc-' tor 48, and to carry the same to one of the save-all pans 52. The trough 53 is'loosely mounted so that it may be withdrawn to a position. entirely underneath the table rollsl at certain times, as'for example when it is desired to remove the bearing cap 45 and with the table rolls 26 and save-alls, 51, is normally stationary during operation of "the papermaking machine, but it is mounted in such wise as to be movable laterally out of alignment with the forming wire 20 so asoto facilitate the ready removal of the forming wire for purpose ofreplacement, as will be To. enable such lateral movement of the frame 50, the latter is provided with anti-friction rolls 55 adapted to ride u on the transverse tracksv 56 mounted upon t e pedestals or supports 57. As clearly shown in Fig. 1, the frame 50, with the parts carried thereon, 1s entirely independent'of the breast-roll 21 and its support, and as a consequence it may be rolled sidewiseup'on the tracks 56 out.of alignment with the formingwire 20. and the breast-roll parts.

The suction boxes 27 are carried by a suction box frame 60 comprisingside rails 61 and 62- between which rails the forming wire is adapted to pass over the suction boxes as best shown in Fig. 4. The suctionbox frame 60, like the. table-roll frame 50, is supported so that it maybe moved laterally' out of alignment with'the forming wire so as to facilitate ready removal of the forming wire. The supporting means for the suction-box frame comprises supports or pedestals 63 having transverse rails or tracks 64 to receive the roller bearings 65 which are journ'aled in trucks (B and 69 carrying the suction-box frame.

During the normal operation of the paper forming section, in which the forming wire boxes thereby causing not only undue wear of the. suction boxes but also increasing the friction between the forming wire and the suction boxes, such friction of course being detrimental to. the life of the forming wire and introducing resistance to the movement thereof." To overcome this objection, means is provided for. imparting to the suction-box frame an oscillatory movement transverse to the direction of travel of the forming wire, so that the longitudinal strands of wire of which the forming wire is made up, are caused to ride over-various parts of the suction-box surface and-to wear the same evenly.-

As best shown in Fig. 4, the suction-box frame 60 is pivotally connected at one end with one of the blocks or trucks 68 which carries the roller 65. The. pivotal oonnection between the truck 68 and the suctionbox frame may be secured by a pivot pin 67.associated with the side rails 61 or some other convenient part of the suction-box frame. The other end ofthe suction-box frame maybe given a lateral back and forth movement upon the truck 69, the suction-box frame moving about the pin 67 vas a pivot.

or oscillating the suction-box frame upon the truck 69 the latter maybe provided with a transverse shaft carrying a pulley -76 on one end thereof, which pulley may be connected through a suitable driving connection with a. motor or other prime mover 7 7, the driving connection herein shown compr1s 1ng'a housing 78 containing speed re- -duc1ng gearing, a pulley 79, and a driving belt 80 connected between the pulleys 76 and 79. A beveled gear 83-carr1ed by the. shaft. 75 cooperates with beveled gear 84 -which latter 'is connected with a bearing plate 85 havingbearing in the upper surface' of the truck '69." An eccentric pin 87 carried by the bearing plate 85 cooperates with slot 88 in the side frame member 61 to impart an oscillating movement to the suction-box frame upon rotation of the shaft 75 and gears 83 and 84. The suction-box frame may be oscillated as rapidly asdesired, butit is found that satisfactory results are obtained by oscillating at a very low rate, as for example one oscillation in five or ten minutes. The form of mechanism herein shown for oscillating the suction box frame does not interfere with the bodily movci'ueut of the suction-box frame to a position out of alignment with the formmg wire whenever it is desired to replace the latter. The prime mover 77 and the speed reducing gearing are mounted below the suction-box frame in such a position that the trav l ntinuously at, a. high speed ov frame may move over these arts. The reth ti b th i a t d y f th mammg parts of the oscillating mechanism longitudinal strands of- Wire of which the are movable with the truck 69 and suctionforming wire is made, to wear grooves or box frame 60, except the belt 80 which may lines in the upper surface of the suction beremoved from its pulleys before under box takin the hodily'movement of the suctionrame upon. its tracks 64L. Preparatory to the removal or replacement of the forming wire 20, the tension roll 30 is removed from its normal tensioning positionand supported upon the hook bearings 90 carried at the rear of the table-roll frame 50; Next, the breast-roll 21 is re. nioved from its bearings and likewise supported from the table-roll frame 50, but at its forward end. For this purpose the forward end ofthe table-roll frame is provided with loops of rope or other similar material 91 which are adapted to be looped over the projections 92 extendin from the ends of the breast-roll shaft. g

efore removin the breast-roll 21 fromits bearings in the hlock 33, the projections 92 of the breast-roll shaft are engaged by eye plates or hooks 93 connected with the chains 94 of hoisting apparatus 95 which may be'of usual conven tional construction. The hoisting apparatus till being operated to hold the breast roll in its hearings as shown in fulllines in Fig. l, the hearing section or cap 45 is removed-together with the doctor 48 and its associated parts 46 and 47, the trough 53 having first been withdrawn so as not to interfere with the operation. Temporary guiding means or tracks 100 are connected between the breast-roll frame 36 and the pedestals 57. Now, by operating the hoisting mechanism 95, the breast-roll 21 may be lowered orguided along the guide rails 100 until thev breast-roll reaches a position such that the supporting means 91 may be'engaged with the shaft projections 92. Further lowering of the breast-roll 21 may be continued until the breast-roll, supported by the supforting means 91, swings clear of thcgul es 100,

this position being indicated in dotted lines in Fig. 1. The guides'l00 are now removed,

and the table roll frame 50 carrying the tension roll 30 and breast-roll 21, is now ready to be moved laterally out of the loop formed hy the forming wire 20. It is to be observed however that the transference of the tension roll 31) and the breast roll 21 from their normal positions to their dotted line positions suspended from the, table-roll frame 50 has resulted in a loosening or slack" ing of-the forming wire 20 as indicated by the dot and dash lines in ,Fi s. l and 2.

Bars or rods are inserted throng the loop of .the forming wire 20 as indicated at 101, to

hold the same clear of the table roll 50 during lateral movement of the latter,j and the same operation is repeated when the suction-ro1l frame is to he moved laterally to afposition out of alignment withthe forming wire. M

It will be apparent from the foregoing that the machine herein disclosed is especially adapted for the removal and replace mentor the forming wire. It has already inherent therein,

may be extended along the length of the machine, after which the parts may be reassembled or repositioned by a process which is the reverse of theonedescribed above for removing theforming wire.

- During the normal operation of a papermaking machine embodying the present invention, the table roll frame 50 together with the table rolls 26.and other partscarrled thereon, is maintained in stationary position upon its tracks 56. At the same time an oscillating or shaking movement is given to the breast-roll support and to the breast-roll 21 and doctor 48' carried thereon, and such shaking movement is imparted to the front end of the forming wire which is passing over the breast-roll. Owing to the width of the forming wire, and the rigidity it is apparent that a certain amount of the shaking movement which is imparted to the'forming .wire by the breast-roll 21 will be transmitted to parts of the forming wire adjacent the breast-roll and which are at the moment passing over the table rolls 26 at the forward end of the machine. During such shaking movement of the forming wire, the forming wire of course slides over the table rolls, the extent of the shake and hence the extent of such sliding decreasing at points progressively farther removed from the breast-roll 21. -The length of the shaking zone or area over the table rolls 26 of course depends largely upon the amplitude of shake transmitted to the forming wire by the breast-roll 21 and the characteristics of the formin wire, such as its weight and rigidity. t has been found, however, that b breast-roll, and with wires of normal construction, the length of the shaking zone is adequate to secure a satisfactory felting of section of the Fourdrinier type'comprising a shakable breast-roll including a support y shaking only the therefor, a normally stationary frame carrying thereon table rolls and save-alls, said frame being supported independently of said breast-roll and in alignment therewith, and means carried by said breast-roll support and shakable therewith for deflecting fluid matter from the breast-roll to said save-alls.

2. In a paper-making machine, a forming section of the Fourdrini'er type comprising said breast-roll being removablymounted in bearing carried by said support, a table-roll frame in alignment with said. breast-roll, a forming wire mounted on said breast-roll and adapted to cooperate with the rolls of said table-roll frame, means carried by the table-roll frame adapted to temporarily support said breast-roll, means adapted to guide the breast-roll from its bearings into position for engagement with said temporary supporting means, and means for bodily moving said frame and the temporarily supported breast-roll out of alignment with said wire to facilitate removal of the wire.

4. In a paper-making machine, a forming section of the Fourdrinier type comprising a breast-roll, a support for the breast-roll,

said breast-roll being removably mounted in bearings carried by said support, a table-roll frame in alignment with said breast-roll, a forming wire mounted on said breast-roll and adapted to cooperate with the rolls of said table-roll frame, means for bodily moving said frame out of alignment with the breast-roll to facilitate removal of the wire, and means for transferring the breast-roll from its normal bearings to said frame for movement with the latter out of alignment with the wire, said last-mentioned means including breast-roll supporting means carried by the frame, guide means for guiding the breast-roll from its bearings into position for engagement with said supporting means and vice versa, and hoisting means for controlling movement of the breast-roll along the guiding means.

' 5. In a paper-making machine, a forming section of the Fourdrinier type comprising a breast-roll, supports therefor, 21 table-roll frame in alignment with the breast-roll, an independent suction-box frame also in alignmentwith the breast-roll, a forming wire mounted on the breast-roll and adapted to pass over the table-roll frame and the suction-box frame, and means for bodily moving said frames out of alignment with the breast roll supports to facilitate removal of the wire. '1 g v 6. In a paper-making machine, a suctionbox frame carrying suction boxes over which aforming wire is adapted to move, supporting means for said suction-box frame constructed and arranged to permit bodily movement of the frame laterally out of alignment with the forming wire to facilitate removal of the latter, and means for oscillating'the suction-box frame in a direction transverse to the moving formingwire, said last-mentioned means including a prime mover and driving connections so constructed and arranged as to permit said lateral bodily movement of the suction-box frame.

7. In a paper-making machine, a forming section of the Fourdrinier type comprising a breast'roll, supports therefor, a table-roll frame in alignment with the breast-roll supports, an independent suction-box frame also having aforming wire, a breast-roll receiving said forming wire, a table-roll frame in alignment with the breast-rol h'an independent suction-box frame also in alignment with the breast-roll, andmeans for bodily moving said suction-box frame out of alignment with with the wire to facilitate replacement of the wire.

9. In a Fourdrinier paper machine, a breast-roll, supports therefor, and a doctor tion with said breast-roll.

16. In a ourdrinier paper machine, a

breast roll, supports therefor, removable bearing sections for said breast roil mounted on said supports, and a doctor pivot-ally supported from said bearing sections for coaction with said breast roll.

11. In a Fourdrinier paper machine, a breast roll, supports therefor, removable bearing sections for the journais of said breast rollmounted on said supports, a doctor for coaction with said breast roll and adjustable arms pivotally secured to said bearing sections for supporting said doctor. 12. In a Fourdrinier paper machine, a breast roll, supports therefor, a tablesection including table rolls and f save-ails independently formed from-said breast-roll supports, doctorfor said breast roll for deadjustably secured to said supports for coacmenace fleeting fluid matter from the breast roll into a save-all and means for shaking said breast roll independently of the table section.

13. In a Fourdrinier paper machine, a breast roll, a support having removable bearings to receive the journals of said breast roll. a table section in alignment with said breast roll, means carried by said table section for temporarily supporting said breast lltl roll, guide means for guiding the breast roll 'from its bearings into position for engagement With said supporting means and hoistin means for controlling the movement of said breast roll along the guiding means.

14. In a Fourdrinier paper machine, a. breast roll, a support having removable hearings to receive the ournals of said breast roll, a table section in alignment with said breast roll, means carried by said table section for temporarily supporting said breast roll, guide means for guiding the breast roll from its bearings into position for engagement with said supporting means, hoisting" -means for controlling the movement of said breast roll along the guiding means, and means for removing said table section together With said breast roll laterally of the machine out of alignment with said breast roll supports.

15. In a Fourdrinier paper machine, a breast roll, supports therefor, a table section, means for temporarily supporting said breast roll from said table sectiomguides for guiding said breast roll into position for engagement with said supporting means and hoisting means for controlling the movement of said breast roll along said guiding means.

In testimony whereof 1 hereto afix my signature.

HER L. TTER. 

